You can’t help () commercials ; every few minutes a program is interrupted to broadcast one advertisement or another.

单项选择题He has been ill with a strange disease lately,() I’ve never heard of before.

A. it
B. this
C. that
D. one

单项选择题The stubborn young man didn’t follow the advice that he() on his bad behavior.

A. reflect
B. reflects
C. would reflect
D. must reflect